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What relation is your daughter's grandfather's son's father's brother to you ?

What relation is your aunt's brother in law's son's sister to you ?

What relation is your brother's grandmother's grandson's mother's father to you ?

What relation is your sister's aunt's son's daughter in law to you ?

What relation is your sister's aunt's niece's mother to you ?

What relation is your aunt's niece's sister's daughter in law to you ?